Neil deGrasse Tyson: Astrophysicists have been a ‘fundamental handmaiden in military conquest’

Neil deGrasse Tyson directs the world-famous Hayden Planetarium in New York City, and hosts the popular radio and TV show “Star Talk.” His latest book is called “Accessory to War: the Unspoken Alliance Between Astrophysics and the Military.” He says astrophysicists -- including himself -- are mostly peace loving, but have long been complicit in warfare. We also ask whether war in space will happen.